def make_pizza(size, *toppings):
    """概述要制作的披萨"""
    print('\nMaking a ' + str(size) + '-inch pizza with the following toppings: ')

    for topping in toppings:
        print(topping)

make_pizza(16, 'mushrooms')


def make_pizzas(size='12', toppings=['mushrooms']):
    """概述要制作的披萨"""
    print('\nMaking a ' + str(size) + '-inch pizza with the following toppings: ')

    for topping in toppings:
        print(topping)

make_pizzas()